Can we add this to the reference catalog list?
Malehorn, Merlin K., and Tim Davenport. United States Sales Tax Tokens and Stamps: a History and Catalog. Jade House Publications, 1993.
Covers all states sales tax tokens/stamps
reference numbers are in the following format:
*state code* - *type code* *number*
State code: two letter abbreviations for each state
Type Code: L (local issue), S (state issue), P (pattern), O (other, mostly boxes and roll wrappers)
Example: 3 Mills - Arctic Ice Company Kentucky is KY-L4 (already noted in the mintage comments)